Question
Which one of the following mineral is the main source of
Boron in soilsSolution
Tourmaline is the main source of boron; Pyrolusite is a mineral consisting essentially of manganese dioxide (MnO2) and is important as an ore of manganese; Magnetite is a mineral whose primary component is an iron oxide that contains equal amounts of iron(II) and iron(III); Muscovite is the most common mineral of the mica family.
ELISA is based on the principle of :
The yellow color of human urine is due to:
Which catalyst is used for the synthesis of Hâ‚‚ SOâ‚„ Â by Lead-Chamber process?
The plant cell wall is primarily composed of what?
In the names Mangifera indica (mango), Solanum tuberosum (potato), and Panthera leo (lion), what do the names indica, tuberosum, and leo represent?
Kidney stones are primarily composed of which substance?
Which one of the following is not associated with megasporangium ?Â
Which disease is characterized by a loss of bone density?Â
‘Rosie’ the transgenic cow was developed to:
For the process of photosynthesis, which of the following gases is required during the day?
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